Posterior Pos*te"ri*or (p[o^]s*t[=e]"r[i^]*[~e]r), a. [L.
posterior, compar. of posterus coming after, from post after.
See {Post-}.]
1. Later in time; hence, later in the order of proceeding or
moving; coming after; -- opposed to {prior}.
[1913 Webster]

Dorsal — is an adjective which means being at the back.Dorsal may refer to:* Dorsum (biology), a part of an animal * A dorsal consonant, in linguistics * The medial longitudinal fasciculus, in neurology * The Dorsal stream, in neurology * Dorsal fin *… … Wikipedia

Dorsal — Dor sal, n. [LL. dorsale, neut. fr. dorsalis. See {Dorsal}, a.] (Fine Arts) A hanging, usually of rich stuff, at the back of a throne, or of an altar, or in any similar position. [1913 Webster] … The Collaborative International Dictionary of English